TM 9-2320-365-34-2
20-7. CAMSHAFT AND BEARING REPLACEMENT/REPAIR (CONT)
(7) Measure diameter of camshaft journals (4). Minimum
diameter is 2.5635 in. (65.113 mm).
(8) Measure height (A) of all camshaft lobes (3). Record
measurement.
(9) Measure base circle (B) of all camshaft lobes (3).
Record measurement.
(10) Subtract measurement (B) from measurement (A).
Difference in measurement is lobe lift (C). Refer to
Table 20-8. Camshaft Minimum Lobe Lift.
Table 20-8 Camshaft Minimum Lobe Lift
Exhaust lobe lift
0.3655 in. (9.284 mm)
Intake lobe lift
0.3655 in. (9.284 mm)
Injector lobe lift
0.3832 in. (9.733 mm)
(11) Measure inside diameter of six camshaft bearings (8).
Maximum inside diameter is 2.575 in. (65.40 mm).
(12) Measure inside diameter of No. 1 camshaft bearing (9).
Maximum inside diameter is 2.575 in. (65.40 mm).
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